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Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a...

Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a random sample of 15 couples who plan to marry, find the probability that
a) Exactly 7 couples will have a destination wedding?
b) at least five couples will have a destination wedding?
Math   Statistics-And-Probability   
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Answer #1

Solution:- Given that p = 0.26, n = 15

a) P(X = 7) = 0.0465

b) P(X >= 5) = 0.3469.

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